OpenTechnical

OT-2026-000055425

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line pressure sensor, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000055425) never changes.

Identity and time

Publication numberOT-2026-000055425 · never reused
Internal UUID01a0ae86-a101-7358-9b3a-5151c51ffa0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055425
StatusPUBLIC

Content hashes

Canonical text9fba5e2d82d4dfd918085ae2868c2a897a65ee2300eed30771098bdb79e8060b
Markdown3d44c5469b0c8e673e11de9e66fc06ab711620976d38e25965b2305b054d67f6
PDF
Publication page0aeea7849d6dbd0be62306fdd78a169fb13f2dd3925ad5c77b7f22b03bffde41
Manifest19c54f2cbe720c24615ba324bcb022a170853cc1614f2c9d124bbfbb27fa7cd9

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturei9ukC5WbGifWy4kro6HBgC+8xtyrOl+Jt3NDKyAtgBy4lIgSYFP1AAj9DkoL0wxgr1z23zaD2BZTTaZA1Px5BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:04.341031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055425
observed 0aeea7849d6dbd0be62306fdd78a169f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:04.322903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055425/manifest.json
observed 19c54f2cbe720c24615ba324bcb022a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:04.306157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055425/publication.md
observed 3d44c5469b0c8e673e11de9e66fc06ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:04.288908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055425/publication.txt
observed 9fba5e2d82d4dfd918085ae2868c2a89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.